1366 - Incorrect integer value: '' for column `abtecsho_shop`.`whos_online`.`customer_id` at row 1

insert into whos_online (customer_id, full_name, session_id, ip_address, time_entry, time_last_click, last_page_url) values ('', 'Guest', 'r6qsnjttubmel6qo0veeekds73', '18.118.217.142', '1746789528', '1746789528', '/advanced_search.php')

[XT SQL Error]